1.
Biomed Tech (Berl)
; 16(5): 173-5, 1971 Oct 05.
Article
in German
| MEDLINE
| ID: mdl-5171682
Subject(s)
Electrocardiography , Fetal Heart , Heart Rate , Abdomen , Electronics, Medical , Female , Humans , Methods , Pregnancy
2.
Elektromed Biomed Tech
; 15(6): 231-2, 1970 Nov.
Article
in German
| MEDLINE
| ID: mdl-5496604